Cervix: The bottom opening to the uterus.
Embryo: Human life at an early development stage with its own unique DNA.
Conception: The point at which a male sperm and the female egg join and a new human embryo begins; also called fertilization.
Fetus: A developing unborn baby with an observable human structure.
Full Term Pregnancy: The stage at about 40 weeks after last menstrual period or 38 weeks after conception when the unborn baby is ready for birth.
Last Menstrual Period (LMP): The date when a woman started her last menstrual period before conception. This is the point in time from which the pregnancy and the age of the unborn baby are measured.
Trimester: An interval of three months used to measure three successive stages of pregnancy; first trimester, second trimester, and third trimester.
Uterus: The muscular female organ that contains the developing unborn baby.